Recent questions tagged digital-logic

1 votes
2 answers
1981
The valid octal constants from the following(i) 0245 (ii) 0387 (iii) 04.32 (iv) –0467(A) (i) and (ii)(B) (iii) and (iv)(C) (i) (iii) and (iv)(D) (i) and (iv)
0 votes
2 answers
1982
A terminal multiplexer has six $1200$ bps terminals and $'n'$ $300$ bps terminals connected to it. If the outgoing line is $9600$ bps, what is the value of $n$?$4$$8$$16$...
3 votes
1 answer
1984
Match the following :$\begin{array}{clcl} \text{a.} & \text{TTL} & \text{i.} & \text{High fan out} \\ \text{b.} & \text{ECL} & \text{ii.} & \text{Low propagation delay}...
0 votes
1 answer
1985
Match the following $\textsf{IC}$ families with their basic circuits :$\begin{array}{clcl} \text{a.} & \text{TTL} & \text{i.} & \text{NAND} \\ \text{b.} & \text{ECL} & \...
4 votes
2 answers
1986
6 votes
1 answer
1987
In a positive edge triggered $J$-$K$ flip flop , if $J$ and $K$ both are high then the output will be ______on the rising edge of the clock :No changeSetResetToggle
1 votes
2 answers
1988
0 votes
3 answers
1989
2 votes
2 answers
1991
1 votes
3 answers
1992
Consider the circuit shown below. IN a certain steady state, ‘Y’ is at logical ‘l’. What are the possible values of A, B, C?A=0, B=0, C=1A=0, B=C=1A=1, B=C=0A= B=...
4 votes
2 answers
1993
Consider the below circuit and find the output function f(x, y, z)$x \bar{z} + xy + \bar{y}z$$x \bar{z} + xy + \bar{y} \bar{z}$$xz + xy + \bar{y} \bar{z}$$xz + x \bar{y} ...
8 votes
2 answers
1994
If $12A7C_{16} = X_8$ then the value of $X$ is$224174$$425174$$6173$$225174$
12 votes
3 answers
1995
The logic circuit given below converts a binary code $Y_1Y_2Y_3$ into Excess-$3$ codeGray code$\text{BCD}$ codeHamming code
9 votes
5 answers
1996
The Excess-$3$ code is also calledCyclic Redundancy CodeWeighted CodeSelf-Complementing CodeAlgebraic Code
8 votes
2 answers
1997
10 votes
2 answers
1998
Consider the following gate networkWhich one of the following gates is redundant?Gate No. $1$Gate No. $2$Gate No. $3$Gate No. $4$
14 votes
2 answers
2000
The minimum Boolean expression for the following circuit is$\text{AB + AC + BC}$$\text{A + BC}$$\text{A + B}$$\text{A + B + C}$
6 votes
2 answers
2001
11 votes
4 answers
2003
The dynamic hazard problem occurs incombinational circuit alonesequential circuit onlyBoth (a) and (b)None of the above
4 votes
3 answers
2004
The functional difference between $SR$ flip-flop and $J$-$K$ flip-flop is that :$J$-$K$ flip-flop is faster than $SR$ flip-flop$J$-$K$ flip-flop has a feedback path$J$-$K...
8 votes
2 answers
2005
Which of the following binary number is the same as its $2's$ complement ?$1010$$0101$$1000$$1001$
9 votes
5 answers
2006
7 votes
3 answers
2007
The output of a tristate buffer when the enable input in $0$ isAlways $0$Always $1$Retains the last value when enable input was highDisconnected state